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Nepal Steel wire rope core conveyor belt

Nepal Flame-resistant metal mesh core conveyor belt

Nepal Tubular conveyor belt

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NepalTubular conveyor belt

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Product Description

A tubular conveyor belt is a type of conveyor belt used in conjunction with circular tube belt conveyors. It assumes a tubular shape along the entire or part of the conveying route, thanks to external forces. The core of the tubular conveyor belt is reinforced with high-strength canvas or steel cables, and its upper and lower cover layers are made of high-strength, highly wear-resistant, premium rubber compounds. During operation, the belt gradually transitions from a flat configuration to a U-shape and finally rolls into a tubular form, enabling enclosed material transport.

Features

Closed-conveying, curved conveying, steep-angle conveying, reciprocating conveying, high-speed and heavy-load conveying

Classification and Structure
1. Tubular belts are broadly categorized into two types: fabric-cored belts and steel-cord belts.
2. Fabric-core tubular belts are made by bonding one or more layers of rubber-coated canvas in a specific structural configuration; steel-cord-core tubular belts are made by bonding longitudinal steel cords spaced at regular intervals with transverse reinforcing elements in a specific structural configuration.
3 The cover layer consists of specially designed cover rubber and edge rubber.
4. According to design and usage requirements, an elastic rubber or a lateral rigid body may be added between the core and the covering layer.

Uses and Performance
Suitable for material handling in industries such as coal, mining, ports, power generation, metallurgy, building materials, and grain processing—industries with stringent environmental protection requirements and demanding three-dimensional spatial curvature. The system features fully enclosed material conveyance, ensuring that materials neither fly nor are affected by natural conditions, thus minimizing environmental impact. It is capable of bending, handling large inclinations, and enabling bidirectional material transport.

Canvas Roll Conveyor Belt Specification Series

Pipe diameter (mm)	100	150	200	250	300	350	400	500	600	700	850
Width (mm)	400	600	780	1000	1100	1300	1530	1900	2250	2650	3150
Cross-sectional area (m²)	0.008	0.018	0.031	0.053	0.064	0.09	1.147	0.21	0.291	0.379	0.544
Maximum particle size (mm)	30	30-50	50-70	70-90	90-100	100-120	120-150	150-200	200-250	250-300	300-400

Nylon canvas tubular conveyor belt: Horizontal turning radius R ≥ r × 300; Vertical turning radius R ≥ r × 300.
Wire-rope core tubular conveyor belt: Horizontal turning radius R ≥ r × 600; Vertical turning radius R ≥ r × 600.
Transition section length Lg: For nylon canvas conveyor belts, Lg ≥ r × 25; for steel-cord core conveyor belts, Lg > r × 50.

Technical Parameters of Steel Wire Rope Core Conveying Belts

Technical Requirements Project	Belt strength specifications
Technical Requirements Project	St. 630	St. 800	St. 1000	St. 1250	St. 1600	St. 2000	St. 2500	St. 3150	St. 3500	St. 4000	St. 4500	St. 5000	St. 5400
Tensile strength in the longitudinal direction N/mm	630	800	1000	1250	1600	2000	2500	3150	3500	4000	4500	5000	5400
Maximum nominal diameter of steel wire rope mm	3.0	3.5	4.0	4.5	5.0	6.0	7.5	8.1	8.6	8.9	9.7	10.9	11.3
Wire rope spacing mm	10	10	12	12	12	12	15	15	15	16	16	17	17
Top cover layer thickness mm	5	5	6	6	6	8	8	8	8	8	8	8.5	9
Lower cover layer thickness mm	5	5	6	6	6	6	6	8	8	8	8	8.5	9
Width specification mm	Number of steel wire ropes
Width specification mm	73	73	61	61	61	49	49
1000	95	95	79	79	79	79	64	64	64	64	59	55	55
1100	105	105	87	87	87	87	71	71	71	71	65	61	61
1300	124	124	103	103	103	103	83	83	83	83	77	71	71
1530	145	145	121	121	121	121	98	98	98	98	90	84	84
1900			151	151	151	151	122	122	122	122	115	106	106
2250						180	144	144	144	144	137	127	127
2650						213	172	172	172	172	162	151	151

Recommended minimum roller diameter for conveyors

Tape model	St630	St800	St1000	St1250	St1600	St2000	St2500	St3150	St3500	St4000	St4500	St5000	St5400
Minimum roller diameter mm	500	500	630	800	1000	1000	1250	1400	1600	1600	1600	1800	1800